JSS20-48AM热电偶，热电阻原理 上海临嘉科教仪器有限公司

p1Src=//y1.yzimgs.com/uploads/391770/20171120-93116406.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20171120-54755084.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20171120-62947631.jpg